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  1. #1
    Harley Dude sig232 will become famous soon enough sig232's Avatar
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    Default BSA Bore Sighter VS Laser Bore Sighter

    A couple of weeks ago I bought a laser bore sighter and used it to sight in several rifle scopes at 50+ feet on a nice laser dot on my neighbors garage.

    Last Friday I saw the manual BSA bore sighter on sale for $34 and picked one up just to see how it would compare.

    Put in on two 22 LR and my 022-250 and found they were all off on the vertical and horizontal axis.

    Now I am wondering which is correct and will have to wait until I get out to a outdoor range to see what the actual paper target shows.

    Any idea which is more accurate of the two ways to measure scope adjustment?

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    Senior Member Outlaw Star is on a distinguished road
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    Just out of curiosity, did you get the one shaped like the bullet or one that stuck out the end of the breech?
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  3. #3
    Harley Dude sig232 will become famous soon enough sig232's Avatar
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    Quote Originally Posted by Outlaw Star View Post
    Just out of curiosity, did you get the one shaped like the bullet or one that stuck out the end of the breech?

    The laser one has caliber attachments that you attach and stick it in the end of the barrel.

    The BSA works with arbors that attached to a grid that attaches to the end of the barrel.

    With both you still have to make sure you have the scope mounted level in its mounts and the rifle balanced. I do that wilh line and bubble levels.

    I don't expect to have any problem getting on paper with either system but am still wondering which will prove to be the most accurate.

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    I'd try it backwards.

    Sight the rifle in at the range, then come home and compare the accuracy of the two systems.
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    Super Awesome Moderator 220combat will become famous soon enough 220combat's Avatar
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    I use the laser type, that slide into the end of the barrel. I have always been on paper at 100 yards with it. I have also never tried the BSA style one that you described. I'm interrested in seeing your results after the range.
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    The "BSA type" is properly called a collometer.

    I have extensively used a collometer for bore sighting scopes for the last ten years. (Extensively means 1000, or so, scopes a year.) Some days the scopes I bore sight are dead on at 100 yds. Other days they are off as much as four inches. It depends on the top end power of the scope and, more importantly, on me.

    The major benefits of the collometer are its compactness when being used and the fineness of the grid lines.

    Both systems will reliably get you "on paper" at 100 yds. That's all that can be expected from any bore sighting system.
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  7. #7
    NigelFX
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    I got the BSA boresighter set and was completely disappointed. It rotates in the barrel and the studs don't EVER stay in place. Stick with the magnetic ones.

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    I also have a BSA bore sighter. It is OK, and in fairness, it never gave me any problems like NigelFX described.

    I bore sight for people a lot. I never kept track of how many, but I would never say that it would be anywhere near what Popeye is saying.

    First, the collimator is pretty much designed for the 100 yard zero. You can fudge it by using the scale, but all in all, it is for 100 yard zero's. There is nothing out there that will do better than get you in the ball park, be it an optical, collimate or laser. There is just too many variables. As far as I am concerned these things just save you a few rounds when dialing in. They work for what they are, but know your limitations with them.
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  9. #9
    Harley Dude sig232 will become famous soon enough sig232's Avatar
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    Quote Originally Posted by Glock27Bill View Post
    I'd try it backwards.

    Sight the rifle in at the range, then come home and compare the accuracy of the two systems.

    I like that idea! Nice way to check out the accuracy of each system.

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  10. #10
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    Quote Originally Posted by NigelFX View Post
    I got the BSA boresighter set and was completely disappointed. It rotates in the barrel and the studs don't EVER stay in place. Stick with the magnetic ones.
    I have a fix for you. Just take a small piece of blue painters tape and wrap it around the arbor and you will have a snug fit and it will hold position. You have to experiment to make sure it is not too tight of a fit that will pull off the tape and leave it in the barrel.

    The spring clip on the arbors are supposed to hold the bore sight arbor in the barrel but the clip tends to follow the rifling and rotate with little effort. The tape will stop that.

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